--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/ChannelCondition.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,60 @@
+
+package com.trilead.ssh2;
+
+/**
+ * Contains constants that can be used to specify what conditions to wait for on
+ * a SSH-2 channel (e.g., represented by a {@link Session}).
+ *
+ * @see Session#waitForCondition(int, long)
+ *
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: ChannelCondition.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
+ */
+
+public abstract interface ChannelCondition {
+    /**
+     * A timeout has occurred, none of your requested conditions is fulfilled.
+     * However, other conditions may be true - therefore, NEVER use the "=="
+     * operator to test for this (or any other) condition. Always use
+     * something like <code>((cond & ChannelCondition.CLOSED) != 0)</code>.
+     */
+    public static final int TIMEOUT = 1;
+
+    /**
+     * The underlying SSH-2 channel, however not necessarily the whole connection,
+     * has been closed. This implies <code>EOF</code>. Note that there may still
+     * be unread stdout or stderr data in the local window, i.e, <code>STDOUT_DATA</code>
+     * or/and <code>STDERR_DATA</code> may be set at the same time.
+     */
+    public static final int CLOSED = 2;
+
+    /**
+     * There is stdout data available that is ready to be consumed.
+     */
+    public static final int STDOUT_DATA = 4;
+
+    /**
+     * There is stderr data available that is ready to be consumed.
+     */
+    public static final int STDERR_DATA = 8;
+
+    /**
+     * EOF on has been reached, no more _new_ stdout or stderr data will arrive
+     * from the remote server. However, there may be unread stdout or stderr
+     * data, i.e, <code>STDOUT_DATA</code> or/and <code>STDERR_DATA</code>
+     * may be set at the same time.
+     */
+    public static final int EOF = 16;
+
+    /**
+     * The exit status of the remote process is available.
+     * Some servers never send the exist status, or occasionally "forget" to do so.
+     */
+    public static final int EXIT_STATUS = 32;
+
+    /**
+     * The exit signal of the remote process is available.
+     */
+    public static final int EXIT_SIGNAL = 64;
+
+}